Skip to main content
Robert Half Technology logo

Sr. Network Engineer

Robert Half Technology

Hackensack, NJJobSeen 1w agoSeen in employer's feed 2 days ago

See where you stand before you apply. No sign-up to start.

You apply on the posting's application page, with no Olive account needed.

Watch jobs like this.

Don't just apply. Show up ready.

Olive works from this exact posting.

At a glance

Compensation
No compensation found
Location
Hackensack, NJ
Work Authorization
Not specified

Olive focuses on jobs in the United States, including remote roles you can work from there.

Job overview

The Senior Network Security Engineer will design, implement, secure, and support critical enterprise network infrastructure, with a focus on Palo Alto Networks and Fortinet firewalls. The role includes firewall engineering, network troubleshooting, lifecycle initiatives, incident response, and infrastructure projects. The engineer will serve as a subject matter expert for next-generation firewall technologies and collaborate with security, infrastructure, and application teams.

Skills & qualifications

RequiredNice to have

Skills

Palo Alto Networks Firewalls, requiredFortinet Firewalls, requiredFirewall Policy Management, requiredNAT, requiredVPNs, requiredTraffic Analysis, requiredNetwork Security, requiredTCP/IP, requiredRouting, requiredSwitching, requiredWireless Networking, requiredWAN/LAN Technologies, requiredNetwork Troubleshooting, requiredOptical Networking, nice to haveDWDM, nice to haveROADM, nice to haveCommunication, requiredProblem-Solving, requiredProject Coordination, required

Qualifications

Bachelor's in IT or CS or Equivalent, required10+ Years Enterprise Networking Experience, requiredCCNP or CCIE, nice to havePalo Alto Security Certifications, nice to haveNetwork Security Certifications, nice to have

Benefits

Medical Insurance
Vision Insurance
Dental Insurance
401(k) Match

Full job description

Description

Our client, a large enterprise organization with a complex and highly available technology environment, is seeking a Senior Network Security Engineer with deep expertise in firewall engineering and enterprise networking. This individual will be responsible for designing, implementing, securing, and supporting critical network infrastructure while serving as a subject matter expert for next-generation firewall technologies.

Key Responsibilities

  • Design, implement, and maintain enterprise network security solutions with a focus on Palo Alto Networks and Fortinet firewalls.

  • Develop and manage firewall policies, security rules, NAT configurations, VPNs, and access controls.

  • Analyze firewall logs, network traffic, and security events to identify risks and troubleshoot connectivity issues.

  • Lead firewall upgrades, migrations, and lifecycle management initiatives.

  • Provide advanced troubleshooting for network and security issues involving routing, switching, wireless, VPN, and WAN/LAN environments.

  • Support enterprise network infrastructure including routers, switches, wireless systems, and security platforms.

  • Partner with security, infrastructure, and application teams to deliver secure and reliable services.

  • Participate in incident response efforts, root cause analysis, and remediation activities.

  • Maintain technical documentation, standards, and operational procedures.

  • Contribute to infrastructure projects from planning through implementation and post-deployment support.

Requirements

Required Qualifications

  • Bachelor's degree in Information Technology, Computer Science, or equivalent combination of education and experience.

  • 10+ years of enterprise networking experience.

  • Strong hands-on experience with Palo Alto Networks and Fortinet firewall administration and engineering.

  • Expertise in firewall policy management, NAT, VPNs, traffic analysis, and network security best practices.

  • Advanced knowledge of TCP/IP, routing, switching, wireless networking, and WAN/LAN technologies.

  • Experience troubleshooting complex network and security environments.

  • Familiarity with optical networking technologies such as DWDM and ROADM is highly desirable.

  • Strong communication, problem-solving, and project coordination skills.

Preferred Certifications

  • CCNP or CCIE

  • Palo Alto Networks security certifications

  • Other relevant network security certifications

Why Consider This Opportunity?

  • Work within a large-scale, enterprise network environment.

  • Exposure to advanced security technologies and infrastructure projects.

  • Opportunity to influence network security architecture and best practices.

  • Collaborative environment with infrastructure, security, and engineering teams.

Technology Doesn't Change the World, People Do.®

Robert Half is the world’s first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.

Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app (https://www.roberthalf.com/us/en/mobile-app) and get 1-tap apply, notifications of AI-matched jobs, and much more.

All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.

© 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking “Apply Now,” you’re agreeing to Robert Half’s Terms of Use (https://www.roberthalf.com/us/en/terms) and Privacy Notice (https://www.roberthalf.com/us/en/privacy) .

How this job compares

Set against the 444 open Network Security Engineer jobs on Olive Jobs, counted November 14, 2026.

Pay
  • This postingNot listed
  • US median$126–180K/yr375 salary ranges
Openings
Olive Jobs lists 17 open Network Security Engineer jobs in New Jersey and 444 across the US. 4% of them nationwide are listed as remote or flexible.
Hiring the most across the US
Experience
This posting asks for at least 10 years of experience; Network Security Engineer postings that state a minimum ask for 7 years at the median (421 postings).
Education
86 of the 444 open Network Security Engineer jobs (19%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on November 14, 2026. Figures based on too few postings are left out.

Prepare for this role

You've read the whole posting — now see how you match it.